Security Researcher jobs in Ra'anana

At D-Fend Solutions, our people are our greatest strength — and technology is our passion. Our team of innovators and subject matter experts, including veterans of elite military intelligence technology units, is transforming the way organizations protect themselves from drone threats. As the global leader in cyber-takeover counter-drone technology, we design and deliver advanced, software-defined solutions that empower our customers to detect, take control, and safely land unauthorized drones — with precision and reliability. Every day, we push the boundaries of innovation to meet real-world security challenges across industries and environments. We’re proud of our cutting-edge technology, our global reach, and the impact we make in securing the skies. We’re seeking passionate professionals who thrive in a fast-paced, creative, and collaborative environment — those who want to be part of the next generation of airspace security innovation. Join D-Fend Solutions and help make the world a safer place. Become a D-Fender! Work with the world’s leading cyber-takeover counter-drone technology provider and shape the future of safe airspace. Scope: Our mission is to D-Fend and mitigate the danger from rogue drones. We are looking to expand our drone take-over research team, which is responsible for the core technology of our product. This is a great opportunity for you to expand your capabilities working on versatile and innovative cyber research projects as part of a young and extremely talented team. Job Requirements: • 4+ years of relevant industry experience as embedded vulnerability researcher or equivalent. • Experience with a dis-assembler for vulnerability research (IDA Pro or GHIDRA). • Deep understanding of OS internals (Linux, RTOS, Android etc.). • Experience with complicated exploitation methods on embedded systems. • Experience with writing code in assembly or c and Python. • Advantage - Graduate of an elite technological unit in IDF

At NVIDIA we tackle challenges no one else can solve. Our work in Networking and AI is transforming the world's largest industries and profoundly impacting society. NVIDIA Networking product security team is looking for an outstanding technical AI red teamer with hands-on safety and security experience to help us improve the safety posture of AI models, systems and infrastructure. In this role you will reduce risk, threats, and vulnerabilities in NVIDIA networking AI products. What you'll be doing: • Drive hands-on safety and security research on a range of AI and networking products. • Develop tools and processes to expose novel weaknesses in AI models and systems to preempt threats. • Participate in defining and ensuring AI development processes meet safety and security standards. • Partner with cross-functional teams to understand needs and implement solutions. • Be a technical focal point across multiple teams and provide hands-on AI safety, security and engineering expertise. What we need to see: • Bachelor’s or Master’s Degree in Computer Science, Computer Engineering, Data Science, or a related field (or equivalent experience). • Demonstrated experience of 5+ years in AI safety/security and offensive cybersecurity. • Knowledge of AI (both model and infrastructure) vulnerabilities and effective mitigation strategies. • In-depth understanding of LLM, MLLM, Generative AI, Agents and RAG workflows. • Proven Python programming expertise • Self-starter with a passion for growth, enthusiasm for continuous learning, and sharing findings across the team • Extremely motivated, highly passionate, and curious about new technologies. Ways to stand out from the crowd: • Hands-on experience designing and building software products, including infrastructure and system design. • Knowledge of MLOps technologies such as Docker and Kubernetes. • Familiarity with ML libraries (PyTorch, TensorRT, or TensorRT-LLM). With highly competitive salaries and a comprehensive benefits package, NVIDIA is widely considered to be one of the technology world's most desirable employers. We have some of the most forward-thinking and hardworking people on the planet working for us and, due to unprecedented growth, our special engineering teams are growing fast. If you're a creative and autonomous engineer with a genuine passion for technology, we want to hear from you. NVIDIA is committed to fostering a diverse work environment and proud to be an equal opportunity employer. As we highly value diversity in our current and future employees, we do not discriminate (including in our hiring and promotion practices) on the basis of race, religion, color, national origin, gender, gender expression, sexual orientation, age, marital status, veteran status, disability status or any other characteristic protected by law.